如何从博客中获取用户名 Laravel 5.2

Question

我在 Laravel 5.2 中创建了博客。我无法显示与该博客关联的用户名。我的传单与 user_id 链接，但我无法获得创建的传单的实际用户名。

这是我与 Flyer 的用户关系：

/**
* One user can have many Travel Flyers.
*/
    public function travelFlyers() {
        return $this->hasMany(TravelFlyers::class);
    }

这是我关联用户的 Flyer 模型：

/**
     * A Travel Flyer belongs to a user.
     */
    public function user() {
        return $this->belongsTo('App/User', 'user_id');
    }

下面是我展示传单的方法：

 /**
     * Show a Travel Flyer in detail.
     * -- with title being the url
     */
    public function show($title) {
        //
        $travelFlyer = TravelFlyers::TravelFlyerLocatedAt($title);

        // return a view with the travel Flyer.
        return view('travelflyers.show', compact('travelFlyer'));
    }

这是我的 flyer_table:

public function up()
    {
        Schema::create('travel_flyers', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id')->unsigned();
            $table->string('title');
            $table->string('excerpt');
            $table->text('description');
            $table->string('country');
            $table->string('state');
            $table->string('city');
            $table->double('lat', 20, 10);
            $table->double('lng', 20, 10);
            $table->timestamps();
            $table->timestamp('published_at');
        });
    }

我需要做这样的事情：

        @foreach($travelFlyers as $flyer)
            <div class="col-md-12">
                <p><b>Username:</b> {{ $flyer->username }}</p>
            </div>
        @endforeach


        This works fine, but I need username, not ID

         @foreach($travelFlyers as $flyer)
            <div class="col-md-12">
                <p><b>Username:</b> {{ $flyer->user_id }}</p>
            </div>
        @endforeach

Answer 1

{{ $flyer->username }}

传单没有username，user有username。但是flyer有一个user，所以你需要用

{{ $flyer->user->username }}

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